Wrench



FIG. 1 is a perspective view of a wrench showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating portions of the wrench that form no part of the claimed design. 

CLAIM The ornamental design for a wrench, as shown and described. 